If the blades are damaged or dull, use a screwdriver to remove the screws that hold them in place. Carefully pull out the old blades and replace them with new ones.
Turn off and unplug the shredder immediately. Long paper can wrap around the cutters, stalling the motor. fix paper shredder
Use a screwdriver to remove the screws that hold the shredder's casing in place. Gently pull the casing off to access the internal components. If the blades are damaged or dull, use